find the family orthogonal to f[z(x+y)2 , x2-y2]=0
28:16
show that the differential equation of all cones which have their vertex at the origin is px+qy=z
30:36
Physics Students Need to Know These 5 Methods for Differential Equations
15:39
upsc cse maths optional pyq 2012
17:56
solve the differential equation: x d2y/dx2 -2(x+1)dy/dx+(x+2)y=(x-2)e^x
12:21
upsc pyq 2013 maths optional
18:11
BASIC Calculus – Understand Why Calculus is so POWERFUL!
17:12
apply the method of variation of parameters to solve d2y/dx2-3dy/dx+2y=e^x/(1+e^x)
30:26